Based on true events, the story is about a large 69-ton fishing boat’s crew as they attempt to smuggle in illegal migrants in order to keep their fishing jobs. But their plan goes wrong when they meet a tragic accident while transporting the thirty or so illegal migrants on the ship in a heavy sea fog. And amid the chaos, the youngest crew member Dong-sik tries to protect a young female migrant who he falls in love with against the crazed Captain KANG and other crew members.